/*
 * =====================================================================================
 *
 *       Filename:  head.h
 *
 *    Description:  head header 
 *
 *        Version:  1.0
 *        Created:  09/27/2017 08:10:05 AM
 *       Revision:  none
 *       Compiler:  gcc
 *
 *         Author:  YOUR NAME  lzm, 
 *   Organization:  
 *
 * =====================================================================================
 */

#ifndef HEAD_H
#define HEAD_H
int add(int,int);
int sub(int,int);
int mul(int,int);
double div(int,int);
#endif

